.clear {
  &:after {
    visibility: hidden;
    display: block;
    font-size: 0;
    content: " ";
    clear: both;
    height: 0;
  }
}

.block-title {
  font-size: @t2;
  color: @c1;
  padding-bottom: 9px;
  border-bottom: 4px solid @c1;
  margin-bottom: 20px;
}

/* 滚动条 */

::-webkit-scrollbar-thumb:horizontal {
  /*水平滚动条的样式*/
  width: 5px;
  background-color: #CCCCCC;
  -webkit-border-radius: 6px;
}

::-webkit-scrollbar-track-piece {
  background-color: #fff;
  /*滚动条的背景颜色*/
  -webkit-border-radius: 0;
  /*滚动条的圆角宽度*/
}

::-webkit-scrollbar {
  width: 10px;
  /*滚动条的宽度*/
  height: 8px;
  /*滚动条的高度*/
}

::-webkit-scrollbar-thumb:vertical {
  /*垂直滚动条的样式*/
  height: 50px;
  background-color: #999;
  -webkit-border-radius: 4px;
  outline: 2px solid #fff;
  outline-offset: -2px;
  border: 2px solid #fff;
}

::-webkit-scrollbar-thumb:hover {
  /*滚动条的hover样式*/
  height: 50px;
  background-color: #9f9f9f;
  -webkit-border-radius: 4px;
}